mirror of
https://github.com/OpenSpace/OpenSpace.git
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Alexander Bock
48 lines
3.0 KiB
C++
48 lines
3.0 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2017 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#ifndef __OPENSPACE_MODULE_GLOBEBROWSING___PROJECTEDAREAEVALUATOR___H__
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#define __OPENSPACE_MODULE_GLOBEBROWSING___PROJECTEDAREAEVALUATOR___H__
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#include <modules/globebrowsing/chunk/chunklevelevaluator/chunklevelevaluator.h>
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namespace openspace::globebrowsing::chunklevelevaluator {
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/**
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* Evaluate the chunk level using the area of the non-heightmapped Chunk projected
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* on a sphere with the center in the position of the camera. A Chunk near the
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* horizon will have a small projected area and hence a lower desired level. This
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* evaluation is more forgiving than EvaluateChunkLevelByDistance, meaning it results
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* in lower desired levels.
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*/
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class ProjectedArea : public Evaluator {
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public:
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virtual int getDesiredLevel(
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const Chunk& chunk, const RenderData& data) const override;
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};
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} // namespace openspace::globebrowsing::chunklevelevaluator
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#endif // __OPENSPACE_MODULE_GLOBEBROWSING___PROJECTEDAREAEVALUATOR___H__
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